AP BIOLOGY

CELL DIVISION

MEIOSIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How are meiosis and gametogenesis linked in plants?
A
Meiosis produces haploid gametes directly.
B
Meiosis produces haploid gametes that are then modified by the sporophyte to produce functional gametes.
C
Meiosis produces a haploid cell that divides by mitosis to form a gametophyte, which then produces gametes by mitosis.
D
They are not linked in any way.
Explanation: 

Detailed explanation-1: -How are meiosis and gametogenesis linked in plants? Meiosis produces haploid gametes directly. Meiosis produces haploid gametes that are then modified by the sporophyte to produce functional gametes. Meiosis produces a haploid cell that divides by mitosis to form a gametophyte, which then produces gametes by mitosis.

Detailed explanation-2: -Meiosis is where a diploid cell gives rise to haploid cells, and fertilization is where two haploid cells (gametes) fuse to form a diploid zygote.

Detailed explanation-3: -During the process of gametogenesis, a germ cell undergoes meiosis to produce haploid cells that directly develop into gametes. Hence, in animals, meiosis is an integral part of gametogenesis. In plants, some fungi, and some algae, meiosis is temporally separated from gametogenesis.

Detailed explanation-4: -a haploid zygote reproduces by meiosis to produce diploid daughter cells that divide by mitosis to produce a new individual. meiosis produces haploid gametes, and fertilization creates a diploid cell that divides by mitosis to produce a new individual.

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